X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fsystemd%2Fsd-network.h;h=ec01e07e85ba28e14ef415d53d846905c5a99306;hb=351e6342d59c790758c216db3c61e17cc2860fa9;hp=984527f240ab0450bb76c0e34b86fb59529cd941;hpb=82bdf8ce36ccfe1b6ff389a9c9c7e2b2d049a43d;p=elogind.git diff --git a/src/systemd/sd-network.h b/src/systemd/sd-network.h index 984527f24..ec01e07e8 100644 --- a/src/systemd/sd-network.h +++ b/src/systemd/sd-network.h @@ -37,35 +37,58 @@ * may return NULL. * * Free the data the library returns with libc free(). String arrays - * are NULL terminated and you need to free the array itself in + * are NULL terminated, and you need to free the array itself in * addition to the strings contained. * - * We return error codes as negative errno, kernel-style. 0 or - * positive on success. + * We return error codes as negative errno, kernel-style. On success, we + * return 0 or positive. * - * These functions access data in /run. This is a virtual file systems, - * hence the accesses is relatively cheap. + * These functions access data in /run. This is a virtual file system; + * therefore, accesses are relatively cheap. * * See sd-network(3) for more information. */ _SD_BEGIN_DECLARATIONS; -/* Get state from ifindex. Possible states: unknown, unmanaged, failed, configuring, configured */ -int sd_network_get_link_state(unsigned index, char**state); +/* Get state from ifindex. + * Possible states: failed, configuring, configured, unmanaged + * Possible return codes: + * -ENODATA: networkd is not aware of the link + * -EBUSY: udev is still processing the link, networkd does not yet know if it will manage it + */ +int sd_network_get_link_state(int ifindex, char **state); + +/* Get operatinal state from ifindex. + * Possible states: unknown, dormant, carrier, degraded, routable + * Possible return codes: + * -ENODATA: networkd is not aware of the link + */ +int sd_network_get_link_operational_state(int ifindex, char **state); + +/* Get overall opeartional state + * Possible states: unknown, dormant, carrier, degraded, routable + * Possible return codes: + * -ENODATA: networkd is not aware of any links + */ +int sd_network_get_operational_state(char **state); /* Get DHCPv4 lease from ifindex. */ -int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret); +int sd_network_get_dhcp_lease(int ifindex, sd_dhcp_lease **ret); + +/* Get DNS entries for a given link. These are string representations of + * IP addresses */ +int sd_network_get_dns(int ifindex, char ***addr); -/* Get all network interfaces indices, store in *indices. Returns the - * number of indices. If indices is NULL only returns the number of indices. */ -int sd_network_get_ifindices(unsigned **indices); +/* Get NTP entries for a given link. These are domain names or string + * reperesentations of IP addresses */ +int sd_network_get_ntp(int ifindex, char ***addr); /* Monitor object */ typedef struct sd_network_monitor sd_network_monitor; -/* Create a new monitor. Category must be NULL. */ -int sd_network_monitor_new(const char *category, sd_network_monitor** ret); +/* Create a new monitor. Category must be NULL, "links" or "leases". */ +int sd_network_monitor_new(sd_network_monitor **ret, const char *category); /* Destroys the passed monitor. Returns NULL. */ sd_network_monitor* sd_network_monitor_unref(sd_network_monitor *m);